KEOHANE SEAN D (President and CEO) sold 25.0% of their position (134.90K shares) of CABOT CORP on the open market
Open‑market sale worth $11.47M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/31/2026ACC: 0001193125-26-377202
DirectorOfficer· President and CEO
Since Jun 2018
-134.90K
Net shares
Net seller
$11.47M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
134.90K acquired · 269.79K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+134.90K
Price / share
$50.00
Trade value
$6.74M
% of position
33.4%
8/28/2026
404.13K→539.03K
Common Stock
Direct
Shares
−134.90K
Price / share
$85.00
Trade value
$11.47M
% of position
25.0%
8/28/2026
539.03K→404.13K
Total
Net shares
+0.00
Net value
-$4.72M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/28/2026 | M · Option Exercise | +134.90K | $50.00 | $6.74M | 33.4% | 404.13K | 539.03K |
| Common Stock Direct | 8/28/2026 | S · Sale | −134.90K | $85.00 | $11.47M | 25.0% | 539.03K | 404.13K |
| Total | +0.00 | -$4.72M | ||||||
Derivative Transactions1
Employee Stock Option (Right to Buy)
Direct
Converts to
Common Stock
134.90K shares
Shares
−134.90K
Strike price
50
Held after
0.00
Exercisable
—
8/28/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy) Direct | Common Stock134.90K shares | 8/28/2026 | M · Option Exercise | −134.90K | 50 | — | 0.00 |
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned14.26K
Total
14.26K indirect14.26K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 14.26K | Indirect |
| Total | 14.26K | 14.26K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported